Cron is Linux utility which schedules a command or script on server to be run automatically at a specified time and date. Cron jobs are very useful to automate recurring tasks.
Here at Ibmi Media, as part of our Server Management Services, we regularly help our Customers to perform related Magento queries.
In this context, we shall look into how to setup Cron Job in Magento.
How to run cron job manually in Magento 2?
One of the most distinguishing features of Magento 2 is cron job.
Several Magento features require at least one cron job, which schedules activities to occur in the future.
The cron job will create a command or a script that is appropriate with the task you want to do.
Generally, Magento2 required at least one cron to schedule important activities.
Some of those activities are:
- Managing Catalog Price Rules.
- Managing Newsletters.
- Generating Google Sitemaps.
- Updating Currency Rate automatically.
- Alerts / Notifications to customers in front-end (Updates in catalog).
- Automatic Reindexing.
- Private Sales (Magento Enterprise Edition only).
- Sending all types of Magento emails including Order Confirmation and Transactional emails.
How to Create the Commerce crontab ?
The Magento crontab is the configuration used to run Magento cron jobs.
Magento uses cron tasks that can run with different configurations.
The PHP command-line configuration controls the general cron job that reindexes indexers, generates e-mails, generates the sitemap, and so on.
Starting with version 2.2, Commerce creates a crontab for you.
We add the Commerce crontab to any configured crontab for the Commerce file system owner.
The Commerce crontab is inside #~ MAGENTO START and #~ MAGENTO END comments in your crontab.
To create the Commerce crontab:
1. Firstly, log in as, or switch to, the Magento file system owner.
2. Then, change to your Magento installation directory.
3. Finally, enter the following command:
bin/magento cron:install [–force]
Use --force to rewrite an existing Magento crontab.
- magento cron:install does not rewrite an existing crontab inside #~ MAGENTO START and #~ MAGENTO END comments in your crontab.
- magento cron:install --force has no effect on any cron jobs outside the Magento comments.
To view the crontab, enter the following command as the Magento file system owner:
How to Run Cron From The Command Line in Magento 2 ?
Make sure you run cron as a user with permission to write to the Magento file system.
The following syntax is used to run cron from the command line
bin/magento cron:run [--group=""]
where --group specifies the cron group to run (omit this option to run cron for all groups)
To run the indexing cron job, enter:
bin/magento cron:run --group index
To run the default cron job, enter:
bin/magento cron:run --group default
How to Remove the Magento crontab ?
- To remove the Magento crontab:
- Firstly, log in as or switch to the Magento file system owner.
- Then, change to the Magento installation directory.
- Finally, enter the following command: bin/magento cron:remove .
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